Quadrilateral Angles

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides and four angles.

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

If one angle of a quadrilateral is 90 degrees, what is the sum of the other three angles?

Back

The sum of the other three angles is 270 degrees.

Front

What do you call a quadrilateral with two pairs of parallel sides?

Back

A quadrilateral with two pairs of parallel sides is called a parallelogram.

Front

What is a rectangle?

Back

A rectangle is a type of parallelogram where all angles are right angles (90 degrees).

Front

What is a square?

Back

A square is a special type of rectangle where all sides are equal in length.

Front

What is the relationship between the angles in a rectangle?

Back

All angles in a rectangle are equal and measure 90 degrees.

Front

If two angles of a quadrilateral are 120 degrees and 90 degrees, what is the sum of the other two angles?

Back

The sum of the other two angles is 150 degrees.

Front

What is the measure of each angle in a regular quadrilateral?

Back

Each angle in a regular quadrilateral (square) measures 90 degrees.

Front

How do you find the measure of a missing angle in a quadrilateral?

Back

To find the missing angle, subtract the sum of the known angles from 360 degrees.